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<h1>Edit mode for compound shapes</h1>

<p>The edit mode for compound shapes can be accessed with a click on the appropriate toolbar button:</p>

<p align=center><img src="images/shapeEditModeButton.jpg"></p>
<p class=imageLabel>[Shape edit mode toolbar button]</p>

<p>The above toolbar button is only active if a <a href="shapes.htm">shape</a> is selected. If the last selected shape is not a compound shape, but a simple shape, the <a href="triangleEditMode.htm">triangle edit mode</a> will be activated instead. In the edit mode for compound shapes, you can edit the shape's components individual visual parameters. The shape's components can be selected the hierarchy window.
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<p align=center><img src="images/groupedShapeEditMode1.jpg"></p>
<p class=imageLabel>[Edit mode for compound shapes]</p>
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<p>After entering the edit mode for compound shapes, the following dialog will display:
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<p align=center><img src="images/groupedShapeEditMode2.jpg"></p>
<p class=imageLabel>[Edit mode dialog for compound shapes]</p>


<li><strong>Adjust color</strong>: allows editing the colors of the shape components.</li>

<li><strong>Adjust texture</strong>: opens the<a href="textureDialog.htm"> texture dialog</a> for the selected shape component.
</li>


<li><strong>Shading angle</strong>: the shading angle is the angle from which individual faces are distinguished.  A small angle makes a shape appear sharp, with many edges, a large angle makes a shape appear smooth and with less edges.<br>
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<li><strong>Show edges</strong>: displays edges in black. Displayed edges will depend on the specified <strong>angle</strong>. If <strong>Hidden border</strong> is checked, then edges that do not share more than one triangle will be hidden.<br>
</li>

<li><strong>Backface culling</strong>: each triangle composing a shape has an inside and an outside face. When Backface culling is enabled, then inside faces won't be displayed. This is a useful parameter for closed shapes and for shapes that are transparent. <br>
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<li><strong>Wireframe</strong>: if selected, then the shape will always appear as wireframe when seen through a <a href="cameras.htm">camera</a>. <br>
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